It's the same car so it will work as long as you make some changes like motor mounts, tranny exchange, and you will need the wiring harness and computer off the donor car.
Group size 24, 25, 26 or 27 will work. Depends on which engine you have,
The EPA mileage estimate for the 2012 Dodge Charger is 18 mpg in the city, 27 mpg on the highway.
The EPA mileage estimate for the 2013 Dodge Charger is 18 mpg in the city, 27 mpg on the highway.
The EPA mileage estimate for the 2011 Dodge Charger is 18 mpg in the city, 27 mpg on the highway.
The EPA mileage estimate for the 2014 Dodge Charger is 18 mpg in the city, 27 mpg on the highway.
I have made it 27 miles, I wouldn't go much more than that.
charger
Motorweek - 1987 Dodge Challenger 27-38 was released on: USA: 23 May 2008
Motorweek - 1987 Dodge Viper 27-4 was released on: USA: 28 September 2007
Group 27Group 27
The Dodge Dancing Party - 1955 All Time Favorites 27-29 was released on: USA: 27 March 1982
Motorweek - 1987 Dodge Durango Hybrid 27-46 was released on: USA: 18 July 2008